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My old gophone broke so im im trying to switch it to my old gophone but its say invalid sim

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If my phone says invalid sim and i have activated my phone?

What to do with unregistered sim straight talk?

- Straight talk activation unregistered sim

Does it say invalid sim card when the phone is not activated?

- Cell phone says sim card invalid

What does an unregistered sim card men in a straight?

- Unregistered sim card straight talk

Why my phone says invalid sim?

- Ported my number sim says invalid on iphone 4

Why does my go phone say invalid sim card?

- Invalid or missing sim card in unlocked phone

How to fix unregistered sim on an active phone?

- Unlock iphone 4 unregistered simnot jailbreak

Why does my lg say invalid sim card?

- My lg phone says that i have an invalid usim card with a black screen how do i fix it

When cell phones say invalid sims?

- My sim card says invalid in my cell phone

How to activate my straight esn to one that is valid?

- Activate straight talk sim card not valid

What if i make a call while my straight talk phone says unregistered sim?

- My straight talk phone say unregistered sim

Can at t unregistered sim be activated by another company?

- After i activated my phone it still says unregistered sim

What will happen if i insert an invalid sim to an iphone that is not activated yet?

- Iphone 4 activated but ipad sim shows invalid

Why is the usim sim for my prepaid internet saying it is invalid?

- Loading sim into tmobile prepaid phone sim invalid

How to fix unregistered sim tracfone?

- My tracfone says unregistered sim

I just got my straight talk phone it says unregistered sim?

- My straighttalk phone was activated worked and now displays unregistered sim